4/29/1998 The tariff classification of jet aircraft engine compressor modules and subassemblies 5/28/1998 The tariff classification of jet aircraft engine high- pressure compressor modules and subassemblies. 6/21/2011 The tariff classification of aircraft engine parts from Great Britain 6/1/1998 The tariff classification of jet aircraft engine airseals. 6/11/1999 Rotor and Stator Assemblies, Compressor Stator Sets, High-Pressure and Low-Pressure Turbine Air Seals; Parts of Aircraft Turbines; NY C87045, NY C88225, NY C88226 Modified